| Patents for B21L 3 - Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends (123) | |
|---|---|
| 01/2015 | |
| 01/21/2015 | CN104289660A 一种锚链刻槽机构及生产工艺 One kind of groove anchor institutions and production processes |
| 12/2014 | |
| 12/09/2014 | US8904745 Link for linear cable carry chain |
| 02/2014 | |
| 02/26/2014 | CN203448599U Dual-motor mechanism of automatic welding machine for annular chains |
| 01/2014 | |
| 01/15/2014 | EP2683964A1 Chain consisting of oval profile chain links, and method for producing a chain of this type |
| 12/2013 | |
| 12/25/2013 | CN102166699B Automatic anchor chain transom welding device |
| 12/24/2013 | US8613486 Bushing for a track-type undercarriage |
| 08/2013 | |
| 08/14/2013 | CN103238996A Environment-friendly metal ornament chain and processing method thereof |
| 07/2013 | |
| 07/17/2013 | CN203061796U Supporting device for movable beam of anchor chain ring bending machine |
| 05/2013 | |
| 05/29/2013 | CN202952002U Auxiliary support device for anchor chain flash welding machine movable platform |
| 05/08/2013 | CN202921859U Flakiness connecting shackle and automatic processing equipment thereof |
| 05/03/2013 | DE202013003659U1 Einrichtung zur Kettenbiegung der Rundgliederketten und ihrnachfolgendes Widerstandpressschweißen Means for bending the chain round link chains and ihrnachfolgendes resistance pressure welding |
| 02/2013 | |
| 02/06/2013 | CN102909310A Sheet-shaped connecting shackle and automatic processing device as well as processing method thereof |
| 02/05/2013 | US8367959 Method and apparatus for treating subcutaneous histological features |
| 09/2012 | |
| 09/13/2012 | WO2012119613A1 Chain consisting of oval profile chain links, and method for producing a chain of this type |
| 05/2012 | |
| 05/02/2012 | CN102430695A Manufacture method of highly-novel round-link chain |
| 08/2011 | |
| 08/24/2011 | EP2219803B1 Method for producing welded round and profile chains, chain links for a round or profile chain and round or profile chain made of chain links of said kind |
| 04/2011 | |
| 04/07/2011 | DE102009047972A1 Method for resistance butt welding of round link chains, comprises carrying out a heating in which the lateral side to be welded is introduced, introducing strips with equal projections and forming flat contact source of intensive heating |
| 12/2010 | |
| 12/15/2010 | CN101918159A Method for producing welded round and profile chains, chain links for a round or profile chain and round or profile chain made of chain links of said kind |
| 12/01/2010 | CN101596574B Closing and locking device of center push rods of anchor chain ring bending machine |
| 10/2010 | |
| 10/28/2010 | US20100269479 Method for producing welded round and profile chains, chain links for a round or profile chain and round or profile chain made of chain links of said kind |
| 08/2010 | |
| 08/26/2010 | US20100212783 Flail chain |
| 08/25/2010 | EP2219803A1 Method for producing welded round and profile chains, chain links for a round or profile chain and round or profile chain made of chain links of said kind |
| 06/2010 | |
| 06/23/2010 | EP2199117A1 Tire chains for vehicles comprising studs |
| 02/2010 | |
| 02/03/2010 | CN201394633Y Ring body transverse squeezing device of cable chain ring bending machine |
| 01/2010 | |
| 01/28/2010 | US20100018179 Planar, generally "u" or "v" shaped chain link |
| 01/27/2010 | CN201389612Y Central pull rod shifting device for anchor chain ring bending machine |
| 01/27/2010 | CN201389611Y Closing and locking device of central pushing rod of anchor chain ring-bending machine |
| 12/2009 | |
| 12/09/2009 | CN101596574A Closing and locking device of center push rods of anchor chain ring bending machine |
| 09/2009 | |
| 09/29/2009 | US7594330 Rosary and method for making same |
| 07/2009 | |
| 07/22/2009 | CN201275591Y Novel automatic welding cross chain molding device |
| 07/02/2009 | WO2009080289A1 Method for producing welded round and profile chains, chain links for a round or profile chain and round or profile chain made of chain links of said kind |
| 07/01/2009 | CN201264069Y Profile welding machine |
| 07/01/2009 | CN201264068Y D-shaped tube profile welding machine |
| 05/2009 | |
| 05/12/2009 | US7530650 Crawler track shoe with multiple roller paths and multiple drive lugs |
| 04/2009 | |
| 04/29/2009 | EP1675538A4 Interlaced compositions and methods of production |
| 04/15/2009 | CN100478099C Method for manufacturing compact flat vertical chain ring |
| 01/2009 | |
| 01/29/2009 | US20090025360 Method and Device for Producing a Chain |
| 01/14/2009 | CN101342568A Method for manufacturing super-flat compact type chain vertical ring |
| 12/2008 | |
| 12/03/2008 | CN100439005C Full automatic hydraulic flash butt welding method of metal circular ring chain and apparatus thereof |
| 08/2008 | |
| 08/21/2008 | US20080196382 Method and apparatus for forming jewelry chains formed from links |
| 03/2008 | |
| 03/12/2008 | EP1896277A1 Multiple tire chains for vehicles |
| 01/2008 | |
| 01/23/2008 | EP1699581B1 Silver chain manufacture |
| 05/2007 | |
| 05/16/2007 | CN1962118A Method for manufacturing compact flat vertical chain ring |
| 05/09/2007 | CN1958224A New technique for manufacturing circinal loop chain in large specification in use for mine |
| 05/03/2007 | US20070095045 Silver chain manufacture |
| 02/2007 | |
| 02/01/2007 | DE102005036720A1 Ringglied für eine Reifenkette, insbesondere eine Reifenschutzkette, sowie Verfahren zur Herstellung einer Reifenkette A ring member for a tire chain, in particular a tire chain protection, and to processes for producing a tire chain |
| 01/2007 | |
| 01/03/2007 | CN1890039A Silver chain manufacture |
| 12/2006 | |
| 12/19/2006 | US7151243 Method for welding material with a clip on welder |
| 09/2006 | |
| 09/13/2006 | EP1699581A1 Silver chain manufacture |
| 07/2006 | |
| 07/19/2006 | CN1805807A Fuel cell with ultraphobic surfaces |
| 07/05/2006 | EP1675538A2 Interlaced compositions and methods of production |
| 10/2005 | |
| 10/20/2005 | WO2004093216B1 Fuel cell with ultraphobic surfaces |
| 10/06/2005 | DE10331400B4 Einrichtung zum Widerstandspressschweissen von Kettengliedern zur Herstellung von Ketten Means for resistance pressure welding of links for sewing |
| 08/2005 | |
| 08/04/2005 | WO2004093216A3 Fuel cell with ultraphobic surfaces |
| 06/2005 | |
| 06/28/2005 | US6911276 Fuel cell with ultraphobic surfaces |
| 06/23/2005 | WO2005056213A1 Silver chain manufacture |
| 06/23/2005 | CA2547272A1 Silver chain manufacture |
| 02/2005 | |
| 02/10/2005 | DE10331400A1 Electrical resistance welding process is used for the manufacture of transmission chain links |
| 10/2004 | |
| 10/28/2004 | WO2004093216A2 Fuel cell with ultraphobic surfaces |
| 10/28/2004 | CA2522376A1 Fuel cell with ultraphobic surfaces |
| 10/21/2004 | US20040209139 Fuel cell with ultraphobic surfaces |
| 05/2004 | |
| 05/21/2004 | WO2002070171A8 A holder for a device included in a chain production line |
| 03/2004 | |
| 03/25/2004 | US20040055269 Jewelry link forming apparatus |
| 10/2003 | |
| 10/02/2003 | DE20310662U1 Machine welding high tensile chain links, has rigid vertically-orientated current supply conductors located below support for chain link |
| 09/2003 | |
| 09/16/2003 | US6619024 Jewelry link forming apparatus |
| 07/2003 | |
| 07/03/2003 | WO2003053624A1 System comprising an operator adapted computer for producing chains |
| 09/2002 | |
| 09/12/2002 | WO2002070171A1 A holder for a device included in a chain production line |
| 07/2002 | |
| 07/11/2002 | WO2002053308A1 A system to form a chain |
| 06/2002 | |
| 06/20/2002 | WO2002047845A1 An arrangement for pressure regulation of exhaust fumes when welding or soldering chains |
| 05/2002 | |
| 05/23/2002 | WO2002040195A1 A heat conducting arrangement |
| 05/16/2002 | WO2002038307A1 A chain cooling arrangement |
| 05/16/2002 | WO2002038306A1 A chain welding arrangement |
| 05/10/2002 | WO2002036288A1 A feeding arrangement for a chain |
| 05/02/2002 | WO2002034429A1 An arrangement for removing burrs |
| 05/2001 | |
| 05/15/2001 | US6230961 Plate link for attaching a clasp link to an ornamental chain and a method of attaching the end of a chain to a clasp link |
| 01/2000 | |
| 01/05/2000 | CN1047968C Stud link chain and its mfg. method and device |
| 11/1999 | |
| 11/17/1999 | EP0796159B1 Chain link and a method for the manufacture thereof |
| 02/1998 | |
| 02/11/1998 | CN1173150A Chain link and method for manufacture thereof |
| 09/1997 | |
| 09/24/1997 | EP0796159A1 Chain link and a method for the manufacture thereof |
| 06/1996 | |
| 06/06/1996 | WO1996016756A1 Chain link and a method for the manufacture thereof |
| 06/06/1996 | CA2207188A1 Chain link and a method for the manufacture thereof |
| 11/1995 | |
| 11/28/1995 | US5469697 Stud link chain |
| 09/1994 | |
| 09/28/1994 | CN1092705A Stud link chain |
| 07/1994 | |
| 07/12/1994 | US5327715 Aluminum alloy chain and method of making same |
| 05/1994 | |
| 05/26/1994 | DE4239204A1 Chain mfr. using carousel-type machine - involves three 90 deg rotations of four armed carousel followed by 270 deg reverse rotation to avoid twisting up chain |
| 03/1993 | |
| 03/03/1993 | EP0529231A1 Apparatus for the butt welding of chain links |
| 09/1990 | |
| 09/25/1990 | US4959519 Controlled pressure butt welding process and apparatus for carrying it out |
| 09/1989 | |
| 09/06/1989 | EP0330862A1 Controlled pressure butt welding and apparatus therefor |
| 03/1988 | |
| 03/03/1988 | DE3726620A1 Device for the continuous overlap welding of chain links, bent in a C-shape and joined together to make a strand, in one pass |
| 04/1987 | |
| 04/23/1987 | WO1987002283A1 A method of welding the links of a chain |
| 02/1986 | |
| 02/11/1986 | US4569472 Apparatus for automatically soldering jewelry chains |
| 09/1985 | |
| 09/17/1985 | US4542275 Electrical chain welding machine |
| 07/1985 | |
| 07/31/1985 | EP0149807A1 Automatic soldering machine for chains |
| 06/1984 | |
| 06/05/1984 | US4453072 Welding method and apparatus suitable for forming links in jewelry |
| 01/1984 | |
| 01/31/1984 | US4428186 Chain making apparatus |
| 10/1983 | |
| 10/05/1983 | EP0090786A2 Electrical chain welding machine |
| 06/1983 | |
| 06/07/1983 | CA1147562A1 Chain link construction |
| 11/1982 | |
| 11/11/1982 | WO1982003808A1 Chain making apparatus |
| 08/1982 | |
| 08/03/1982 | US4342191 Method for the production of ornamental link chains (Venetian chains) ready for soldering |
| 07/1982 | |
| 07/13/1982 | US4338779 Apparatus for the production of ornamental link chains (venetian chains) ready for soldering |
1 2